4: A disconnecting means shall not be required in industrial establishments with restricted public access where conditions of maintenance and supervision ensure that only qualified persons service the installation by written procedures. Unless an individual switch is provided for each luminaire, lampholders shall be located at least 2.5 m (8 ft) above the floor or shall be located or guarded so that the lamps cannot be readily removed or damaged. Cord Requirements. For inspections related to location of a luminaire within a closet, we cant install the luminaire within the modified cube shape described in the definition. The installation requirements for motor control centers are covered in 110.26 (F), and air-conditioning and refrigerating equipment are covered in Article 440. Luminaires (Fixtures) in Specific Locations. Heavy-Duty Lighting Track. (B) Metal or Nonmetallic Poles Supporting Luminaires (Lighting Fixtures). (12.7mm) from combustible materials. The track system ends shall be insulated and capped. All of the electrical equipment and enclosures must be specifically approved for the location [682.10]. D9 Feeder Ampacity Determination for Generator Field Control, Example No. Surface-mounted fluorescent or LED luminaires shall be permitted to be installed within the closet storage space where identified for this use. If they dont say IC Rated on the luminaire, then the inspector should make sure there is a definite method to prevent insulation ever coming into contact with the luminaire. Where showcases are cord- connected, the secondary circuit(s) of each electric-discharge lighting ballast shall be limited to one showcase. Luminaires shall be installed so that adjacent combustible material will not be subjected to temperatures in excess of 90C (194F). Im not going to cover every one of these items in detail, but please be aware that units installed in wet or damp locations have to be listed for the appropriate location and should prevent water from entering a wiring compartment. You cannot have any part of a suspended fixture (i.e., the cord, pendant chain, etc.) GET YOUR CEUS TODAY, 1998-2021. 02/08/2017. Busways. I will not go into detail here, but the scope has a laundry list of items and you will find that it is pretty exclusively related to lighting products and devices. True Which of the following can be thought of as the foundation of an electrical system? If we miss this, then there may be an issue that can lead to a fire. Informational Note: Combustible low-density cellulose fiber board includes sheets, panels, and tiles that have a density of 320 kg/m3(20 lb/ft3) or less and that are formed of bonded plant fiber material but does not include solid or laminated wood or fiberboard that has a density in excess of 320 kg/m3(20 lb/ft3) or is a material that has been integrally treated with fire-retarding chemicals to the degree that the flame spread index in any plane of the material will not exceed 25, deter mined in accordance with tests for surface burning characteris tics of building materials. To play this game about lighting, you need a sharp eye, a quick mind and a 2020 National Electrical Code book. Heavy-duty lighting track is lighting track identified for use exceeding 20 amperes. Such tap conductors shall be in suitable raceway or Type AC or MC cable of at least 450 mm (18 in.) 410.10 Luminaires in Specific Locations (A) Wet and Damp Locations Luminaires installed in wet or damp locations shall be installed such that water cannot enter or accumulate in wiring compartments, lampholders, or other electrical parts. 410.46 Equipment Grounding Conductor Attachment. Deleted. Luminaires shall be constructed, installed, or equipped with shades or guards so that combustible material is not subjected to temper atures in excess of 90C (194F). Decorative lighting and similar accessories used for holiday lighting and similar purposes, in accordance with 590.3(B), shall be listed. Like Ive mentioned before, be proactive when you are starting a new project and let the contractor know from the beginning (before the products show up on the jobsite) that you will be checking for this. Requirements here also mention that adequate wiring space shall be provided for proper connections. The first is related to locations in and near bathtub and shower areas. Professional. Accessible. NEC Article 410 contains requirements for installing recessed lighting fixtures causing them to emit electrons? Exposed metal parts shall be connected to an equipment grounding conductor or insulated from the equipment grounding conductor and other conducting surfaces or be inaccessible to unqualified personnel. Transformers shall have a secondary short-circuit current rating of not more than 150 mA if the open-circuit volt age is over 7500 volts, and not more than 300 mA if the open- circuit voltage rating is 7500 volts or less. 410.18 Space for Cove Lighting. Listed. A luminaire shall be permitted to be connected witha cord terminating in a grounding-type attachment plug orbusway plug. from the sides and back of the closet walls, respectively, and continuing vertically to the closet ceiling parallel to the walls at a horizontal distance of 300 mm (12 in.) Luminaires that have exposed ballasts, transformers, LED drivers, or power supplies shall be installed such that ballasts, transformers, LED drivers, or power supplies shall not be in contact with combustible material unless listed for such condition. long and not more than 1.8 m (6 ft.) long, be a suitable raceway or the tap conductor must be Type AC or MC cable. Article 411 addresses lighting systems operating at 30V or less. Luminaires and lighting equipment shall be grounded as required in Article 250 and Part V of this article. One word of caution with IC rated cans: make sure the proper size lamp and the matching trim is used, as these are tested using specific lamp and trim combinations to insure they do not overheat. This type of luminaire (fixture) must comply with Sections 410.65 through 410-72. If you are tasked with doing inspections for parking lot lighting, you need to be familiar with a few items. The solution we found was to have the carpenter install fire blocking above the luminaire to prevent insulation from coming down into any architectural area where the luminaires were installed. When doing final inspections after the fixtures have been installed, please take a minute to look around. Enterprise Application Integration: New Solutions for a Solved Problem or a Challenging Research Field? Separate Mounting. Luminaires shal be securely fastened to the ceiling framing member by mechanical means such as bolts, scres, or rivits. Exception No. While it may be possible to list them together, I havent seen a fixture that is listed for another manufacturers trims. Corrosive Locations. Splices and taps shall not be located within luminaire arms or stems. Each fitting attached to a heavy-duty lighting track shall have individ ual overcurrent protection. D4(b) Optional Calculation for Multifamily Dwelling, Example No. Luminaires that use a metal halide lamp other than a thick-glass parabolic reflector lamp (PAR) shall be provided with a containment barrier that encloses the lamp, or shall be provided with a physical means that only allows the use of a lamp that is Type O.Informational Note: See ANSI Standard C78.389, General. Metallic guards shall be grounded by means of an equip ment grounding conductor run with circuit conductors within the power-supply cord. The switch or circuit breaker shall be located within sight from the luminaires or lamps, or it shall be permitted to be located elsewhere if it is lockable in accordance with 110.25. However, the requirements within this article are important to know and enforce. (A) Wet and Damp Locations. The terminals of an electric- discharge lamp shall be considered as energized where any lamp terminal is connected to a circuit of over 300 volts. Lampholders installed over highly combustible material shall be of the unswitched type. Luminaires designed for end-to-end connection to form a continuous assembly, or luminaires connected together by recognized wiring methods, shall be permitted to contain the conductors of a 2-wire branch circuit, or one multiwire branch circuit, supplying the connec ted luminaires and shall not be required to be listed as a race way. Conductors shall be arranged so that the weight of the luminaire or movable parts does not put tension on the conductors. Metal Halide Lamp Containment. Bathtub and Shower Areas. Luminaires listed and marked for use as a raceway shall be permitted to be used as a raceway. Transformers of the Oil-Filled Type. The electrical service equipment b. 2: See 300.5(D) for protection of conductors. Secondary Conductors. 410.50 Polarization of Luminaires. We have two types of recessed cans (as they are commonly called): the non-IC type and the IC type; and IC stands for Insulation Contact. Electric-discharge lighting systems with an open- circuit voltage exceeding 1000 volts shall be listed and installed in conformance with that listing. Parts that must be removed for lamp replacement shall be hinged or held captive. A means to connect an equipment ground must be provided for a metal luminaire (fixture). The code has a specific set of dimensions for storage space with an explanatory diagram. Exception No. 410.93 Double-Pole Switched Lampholders. An incandescent lamp for general use on lighting branch circuits shall not be equip ped with a medium base if rated over 300 watts, or with a mogul base if rated over 1500 watts. Combustible Material. One important requirement to note is that a fixture can be supported from an outlet box if the outlet box is required by 314.23 and complies with 314.27(A) and 314.27(B). 410.10 Luminaires in Specific Locations. Solder Prohibited. General II. So on a non-IC type we must have a 1/2 inch space from any recessed parts to combustibles, excluding the support or finish trims. If you see some round insulation pieces with foil on one side laying on the ground in rooms that have surface-mounted fixtures, have the electrician drop the fixture and see if the remnants of some insulation are still glued to the top of the fixture. Raceway Fittings. Lampholders installed in wet locations shall be listed for use in wet locations. 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